chore: Support pre-build grpc artefacts for CI jobs #5

Job	Run time
Build gRPC artifacts (Release, gcc, g++, 11)	12m 1s
Build gRPC artifacts (Release, clang, clang++, 14)	11m 59s
Build gRPC artifacts (Release, clang, clang++, 17, true)	11m 59s
Build gRPC artifacts (Debug, gcc, g++, 11)	11m 56s
Build gRPC artifacts (Debug, gcc, g++, 12)	11m 58s
Build gRPC artifacts (Debug, clang, clang++, 14)	11m 57s
Build gRPC artifacts (Debug, clang, clang++, 17, true)	11m 57s
Build gRPC artifacts (clang, clang++, 14, Tsan)	11m 57s
Build gRPC artifacts (clang, clang++, 14, Asan)	11m 57s
	1h 47m 41s

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